According to the company's red herring prospectus, the follow-on public issue of Adani Enterprises Ltd will open on January 27 and close on January 31.
Bidding by anchor investors will start on January 25, it said.
A follow-on offering (FPO) is when a public company issues more shares after its initial public offering (IPO).
Of the Rs 20,000 crore proceeds of the FPO, Rs 10,869 crore will be spent on green hydrogen projects, work at the existing airports and construction of a greenfield expressway.
Another Rs 4,165 crore will be used to repay the debt taken by its airports, road and solar project subsidiaries- Adani Airport Holdings Ltd, Adani Road Transport Ltd and Mundra Solar Ltd.
As of September 2022, the total debt of Adani Enterprises stood at Rs 40,023.50 crore.
Some of Adani Group's strategic equity partners, including International Holding Company (IHC) from the UAE and other sovereign wealth funds and financial institutions, may be reportedly among the largest buyers in the issue, according to a Moneycontrol report.